青藏高原的水质：四条选定河流的金属含量
Water quality in the Tibetan Plateau: metal contents of four selected rivers.
作者信息
Huang Xiang, Sillanpää Mika, Duo Bu, Gjessing Egil T
机构信息
Laboratory of Applied Environmental Chemistry, University of Kuopio, Patteristonkatu 1, FIN-50100 Mikkeli, Finland.
出版信息
Environ Pollut. 2008 Nov;156(2):270-7. doi: 10.1016/j.envpol.2008.02.014. Epub 2008 Apr 2.
The water used by 85% of the Asian population originates in Tibetan Plateau. During April and May of 2006, water samples were collected from four major Asian rivers in the Plateau (i.e. the Salween, Mekong, Yangtze River and Yarlung Tsangpo) and analyzed for Cu, Pb, Zn, Ag, Mo, Cd, Co, Cr, Ni, Li, Mn, Al, Fe, Mg and Hg. The results showed that elements such as Mg were rather high in Tibetan rivers, giving a mean electrical conductance of 36 mS/m. In a few locations, the results also showed relatively high concentrations of Al and Fe (>1mg/L). However, the concentrations of Cu, Zn, Ag, Cd, and Cr were generally low. Contamination with Pb was identified at a few locations in the Salween and Ni at a few sites in the Yangtze River.
亚洲85%人口所使用的水源都发源于青藏高原。2006年4月和5月，从青藏高原的四条亚洲主要河流（即萨尔温江、湄公河、长江和雅鲁藏布江）采集了水样，并对其中的铜、铅、锌、银、钼、镉、钴、铬、镍、锂、锰、铝、铁、镁和汞进行了分析。结果表明，藏区河流中的镁等元素含量相当高，平均电导率为36毫西门子/米。在一些地点，结果还显示铝和铁的浓度相对较高（>1毫克/升）。然而，铜、锌、银、镉和铬的浓度总体较低。在萨尔温江的一些地点发现了铅污染，在长江的一些地点发现了镍污染。
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